//
// Created by jsjxsy on 2022/6/30.
//
#include <stdio.h>
#include <float.h>
int main() {
  printf("The maximum value of float = %.10e\n", FLT_MAX);
  printf("The minimum value of float = %.10e\n", FLT_MIN);
  printf("The number of digits in the number = %.10e\n", FLT_MANT_DIG);
  char ch = '\040';//空格
  printf("ch=%c", ch);
  float f=2.3e07;
  printf("ch=%f", f);
}